Istadi, I. (2017). Preface. Department of Chemical Engineering - Diponegoro University.
Chicago Style aipamenaIstadi, Istadi. Preface. Department of Chemical Engineering - Diponegoro University, 2017.
MLA aipamenaIstadi, Istadi. Preface. Department of Chemical Engineering - Diponegoro University, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.